Osa Weather (Next 3 days): The snow forecast for Osa is: Moderate rain (total 10.0mm), heaviest on Fri afternoon. Very mild (max 13°C on Thu morning, min 2°C on Sat night). Wind will be generally light.
Osa Weather (Days 4-6): Heavy rain (total 20.0mm), heaviest during Mon afternoon. Freeze-thaw conditions (max 11°C on Sun morning, min 0°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the NE by Tue morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 9 |  | ||||
| Bottom Lift: | 13 |  |
Thursday 26 | Friday 27 | Saturday 28 | Sunday 1 | Monday 2 | Tuesday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  | |  | | |  | | | | |  |  | | |  | |
some clouds | cloudy | cloudy | light rain | light rain | light rain | cloudy | clear | some clouds | cloudy | cloudy | light rain | light rain | mod. rain | mod. rain | clear | clear | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | 1 | 5 | 4 | — | — | — | — | — | 1 | 4 | 7 | 8 | — | — | — | |
max °C | 13 | 12 | 9 | 10 | 10 | 7 | 5 | 7 | 3 | 11 | 10 | 6 | 3 | 3 | 2 | 7 | 7 | 1 |
min °C | 8 | 9 | 8 | 10 | 9 | 4 | 3 | 4 | 2 | 7 | 6 | 4 | 3 | 2 | 1 | 3 | 2 | 0 |
6 | 9 | 7 | 9 | 9 | 0 | -1 | 0 | -2 | 6 | 6 | 4 | 0 | -2 | -4 | -3 | -4 | -6 | |
81 | 82 | 92 | 87 | 97 | 98 | 81 | 56 | 53 | 29 | 52 | 65 | 92 | 96 | 74 | 45 | 38 | 58 | |
3350 | 3400 | 3200 | 2500 | 2450 | 3050 | 1150 | 3100 | 3100 | 2900 | 2950 | 2550 | 1800 | 1450 | 1800 | 2150 | 1950 | 2350 | |
 | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — |
 | — | 6:02 | — | — | 6:04 | — | — | 6:05 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — |
Moderate rain (total 10.0mm), heaviest on Fri afternoon. Very mild (max 13°C on Thu morning, min 2°C on Sat night). Wind will be generally light.
Heavy rain (total 20.0mm), heaviest during Mon afternoon. Freeze-thaw conditions (max 11°C on Sun morning, min 0°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the NE by Tue morning).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Feb 2026 |
| Snow Alerts | Create Alert |
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.7 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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